/**
 * 
 */
package com.axdoc.walletbiz.record.service;

import com.axdoc.walletbiz.record.exceptions.WalletBizRecordException;

/**
 */
public interface DataService {
	/**
	 * 切入时间之前的流水数据
	 * @param bt
	 * @return
	 * @throws WalletBizRecordException
	 * @throws Exception
	 */
	public String dataBefore(String bt) throws WalletBizRecordException, Exception;
	/**
	 * 切入时间之后的流水数据
	 * @param at
	 * @return
	 * @throws WalletBizRecordException
	 * @throws Exception
	 */
	public String dataAfter(String at) throws WalletBizRecordException, Exception;
}
